<s>
IntelliMouse	B-Device
is	O
a	O
series	O
of	O
computer	B-Device
mice	I-Device
from	O
Microsoft	O
.	O
</s>
<s>
The	O
IntelliMouse	B-Device
series	O
is	O
credited	O
with	O
a	O
number	O
of	O
innovations	O
;	O
Microsoft	O
was	O
among	O
the	O
first	O
mouse	O
vendors	O
to	O
introduce	O
a	O
scroll	O
wheel	O
,	O
an	O
optical	O
mouse	O
,	O
and	O
dedicated	O
auxiliary	O
buttons	O
on	O
the	O
side	O
of	O
the	O
mouse	O
.	O
</s>
<s>
They	O
use	O
IntelliPoint	B-Application
drivers	O
and	O
its	O
main	O
competitor	O
through	O
the	O
years	O
has	O
been	O
Logitech	O
.	O
</s>
<s>
The	O
original	O
IntelliMouse	B-Device
was	O
introduced	O
on	O
July	O
22	O
,	O
1996	O
,	O
with	O
its	O
stand-out	O
feature	O
being	O
a	O
scroll	O
wheel	O
.	O
</s>
<s>
Its	O
design	O
was	O
based	O
on	O
that	O
of	O
the	O
Microsoft	B-Device
Mouse	I-Device
2.0	O
from	O
1993	O
.	O
</s>
<s>
In	O
November	O
1997	O
Microsoft	O
released	O
the	O
IntelliMouse	B-Device
TrackBall	B-Device
,	O
using	O
a	O
finger-operated	O
trackball	B-Device
to	O
control	O
the	O
cursor	O
and	O
featuring	O
the	O
signature	O
IntelliMouse	B-Device
scroll	O
wheel	O
.	O
</s>
<s>
In	O
May	O
1998	O
the	O
IntelliMouse	B-Device
Pro	O
was	O
released	O
,	O
a	O
redesign	O
of	O
the	O
original	O
IntelliMouse	B-Device
that	O
featured	O
an	O
asymmetrical	O
shape	O
(	O
intended	O
for	O
right-hand	O
use	O
)	O
with	O
a	O
more	O
pronounced	O
arch	O
profile	O
.	O
</s>
<s>
The	O
IntelliMouse	B-Device
Explorer	O
was	O
introduced	O
on	O
April	O
19	O
,	O
1999	O
,	O
at	O
COMDEX	O
.	O
</s>
<s>
This	O
version	O
featured	O
IntelliEye	O
optical	O
tracking	O
technology	O
,	O
eliminating	O
the	O
need	O
for	O
a	O
mouse	O
ball	O
or	O
mousepad	B-Language
.	O
</s>
<s>
Microsoft	O
called	O
it	O
the	O
"	O
most	O
radical	O
computer	B-Device
mouse	I-Device
technology	O
and	O
design	O
advancement	O
"	O
since	O
computer	B-Device
mice	I-Device
were	O
introduced	O
in	O
the	O
1960s	O
.	O
</s>
<s>
In	O
May	O
,	O
the	O
IntelliMouse	B-Device
Explorer	O
was	O
exhibited	O
at	O
E3	O
1999	O
,	O
touting	O
the	O
benefits	O
of	O
its	O
optical	O
sensor	O
for	O
accuracy	O
and	O
reliability	O
.	O
</s>
<s>
In	O
2005	O
,	O
PC	O
World	O
named	O
the	O
IntelliMouse	B-Device
Explorer	O
to	O
its	O
list	O
of	O
"	O
The	O
50	O
Greatest	O
Gadgets	O
of	O
the	O
Past	O
50	O
Years	O
"	O
as	O
the	O
first	O
mainstream	O
optical	O
mouse	O
.	O
</s>
<s>
The	O
IntelliMouse	B-Device
Optical	O
was	O
announced	O
in	O
January	O
2000	O
ahead	O
of	O
its	O
April	O
release	O
.	O
</s>
<s>
The	O
IntelliMouse	B-Device
Optical	O
had	O
similar	O
styling	O
and	O
features	O
as	O
the	O
1999	O
IntelliMouse	B-Device
Explorer	O
,	O
but	O
used	O
a	O
symmetric	O
,	O
ambidextrous	O
design	O
to	O
accommodate	O
use	O
by	O
the	O
left	O
hand	O
.	O
</s>
<s>
The	O
optical	O
sensor	O
and	O
the	O
plug-and-play	O
USB	B-Protocol
connection	O
led	O
Microsoft	O
to	O
tout	O
the	O
IntelliMouse	B-Device
Optical	O
as	O
an	O
ideal	O
travel	O
companion	O
for	O
laptop	O
users	O
.	O
</s>
<s>
The	O
IntelliMouse	B-Device
Optical	O
received	O
an	O
Industrial	O
Design	O
Excellence	O
Award	O
in	O
2001	O
,	O
and	O
was	O
included	O
in	O
the	O
"	O
Workspheres	O
"	O
exhibit	O
held	O
at	O
the	O
New	O
York	O
MoMA	O
in	O
2001	O
.	O
</s>
<s>
New	O
versions	O
of	O
the	O
IntelliMouse	B-Device
Explorer	O
and	O
Optical	O
were	O
introduced	O
in	O
September	O
2001	O
alongside	O
the	O
first	O
wireless	O
variant	O
,	O
the	O
Wireless	O
IntelliMouse	B-Device
Explorer	O
.	O
</s>
<s>
In	O
addition	O
,	O
finger	O
grooves	O
and	O
an	O
enhanced	O
grip	O
were	O
added	O
to	O
the	O
new	O
IntelliMouse	B-Device
Explorer	O
.	O
</s>
<s>
The	O
Wireless	O
IntelliMouse	B-Device
Explorer	O
for	O
Bluetooth	B-Protocol
was	O
released	O
in	O
2002	O
,	O
both	O
as	O
a	O
separate	O
product	O
and	O
with	O
a	O
wireless	O
keyboard	O
in	O
the	O
Wireless	O
Optical	O
Desktop	O
for	O
Bluetooth	B-Protocol
bundle	O
.	O
</s>
<s>
Updated	O
versions	O
of	O
the	O
IntelliMouse	B-Device
Explorer	O
and	O
Wireless	O
Explorer	O
were	O
released	O
in	O
September	O
2003	O
,	O
featuring	O
a	O
tilting	O
scroll	O
wheel	O
to	O
enable	O
horizontal	O
scrolling	O
;	O
the	O
new	O
mice	O
were	O
also	O
available	O
in	O
a	O
variety	O
of	O
colors	O
.	O
</s>
<s>
Two	O
additional	O
finishes	O
,	O
Cobalt	O
Basin	O
and	O
Crimson	O
Fire	O
,	O
were	O
released	O
for	O
the	O
Wireless	O
IntelliMouse	B-Device
Explorer	O
in	O
July	O
2004	O
.	O
</s>
<s>
The	O
IntelliMouse	B-Device
Explorer	O
was	O
later	O
discontinued	O
,	O
then	O
re-released	O
as	O
the	O
IntelliMouse	B-Device
Explorer	I-Device
3.0	I-Device
in	O
August	O
2006	O
with	O
a	O
gaming	O
emphasis	O
,	O
using	O
a	O
9000	O
fps	O
sensor	O
.	O
</s>
<s>
On	O
October	O
17	O
,	O
2017	O
,	O
Microsoft	O
revived	O
the	O
series	O
with	O
the	O
new	O
Classic	O
IntelliMouse	B-Device
,	O
featuring	O
a	O
new	O
dark	O
look	O
based	O
on	O
the	O
IntelliMouse	B-Device
Explorer	I-Device
3.0	I-Device
design	O
and	O
featuring	O
BlueTrack	O
technology	O
,	O
allowing	O
it	O
to	O
be	O
used	O
on	O
glass	O
surfaces	O
.	O
</s>
<s>
The	O
Classic	O
IntelliMouse	B-Device
was	O
released	O
in	O
June	O
2018	O
in	O
the	O
UK	O
.	O
</s>
<s>
The	O
ergonomic	O
shape	O
of	O
the	O
IntelliMouse	B-Device
Explorer	I-Device
3.0	I-Device
influenced	O
many	O
later	O
mice	O
,	O
particularly	O
gaming-focused	O
models	O
.	O
</s>
<s>
In	O
May	O
2019	O
,	O
Microsoft	O
announced	O
the	O
Pro	O
IntelliMouse	B-Device
,	O
which	O
put	O
an	O
upgraded	O
sensor	O
in	O
the	O
Classic	O
IntelliMouse	B-Device
body	O
.	O
</s>
<s>
Buttons	O
Optical	O
USB	B-Protocol
Serial	O
Notes	O
Refs	O
.	O
</s>
<s>
IntelliMouse	B-Device
50px	O
1996	O
—	O
3	O
opt	O
.	O
</s>
<s>
PS/2	O
or	O
9-pin	O
First	O
use	O
of	O
the	O
IntelliMouse	B-Device
brand	O
IntelliMouse	B-Device
Trackball	B-Device
1997	O
2002	O
3	O
PS/2	O
or	O
9-pin	O
Only	O
IntelliMouse-branded	O
trackball	B-Device
IntelliMouse	B-Device
Pro	O
1998	O
2001	O
3	O
PS/2	O
or	O
9-pin	O
Intended	O
to	O
improve	O
ergonomics	O
with	O
a	O
refined	O
shape	O
and	O
rubber	O
side	O
grips	O
.	O
</s>
<s>
IntelliMouse	B-Device
Explorer	O
100px	O
1999	O
—	O
5	O
PS/2	O
Adds	O
two	O
left	O
side	O
buttons	O
(	O
for	O
right	O
hand	O
thumb	O
)	O
.	O
</s>
<s>
IntelliMouse	B-Device
Optical	O
100px	O
2000	O
—	O
5	O
PS/2	O
Two	O
side	O
buttons	O
,	O
one	O
on	O
each	O
side	O
(	O
ambidextrous	O
)	O
.	O
</s>
<s>
Wireless	O
IntelliMouse	B-Device
Explorer	O
2001	O
—	O
5	O
6000	O
fps	O
sensor	O
;	O
automatically	O
adjusts	O
illumination	O
based	O
on	O
surface	O
.	O
</s>
<s>
Bluetooth	B-Protocol
version	O
added	O
in	O
2002	O
.	O
</s>
<s>
IntelliMouse	B-Device
Explorer	I-Device
3.0	I-Device
2006	O
—	O
5	O
Re-release	O
of	O
the	O
IntelliMouse	B-Device
Explorer	O
branded	O
as	O
"	O
3.0	O
"	O
with	O
a	O
9000	O
fps	O
sensor	O
Classic	O
IntelliMouse	B-Device
2017	O
—	O
5	O
1000	O
reports/second	O
,	O
up	O
to	O
3200	O
DPI	O
.	O
</s>
<s>
Pro	O
IntelliMouse	B-Device
2019	O
—	O
5	O
16000	O
DPI	O
maximum	O
;	O
PixArt	O
PASW3389PRO-MS	O
sensor	O
.	O
</s>
